XML 98 R85.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Indebtedness - Senior Debt Prior Term Loan (Details) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Dec. 19, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Nov. 16, 2018
Debt Instrument [Line Items] |  |  |  |  |
Loss on amendment/refinancing of senior credit agreement | $ 900,000 | $ 400,000 | $ 900,000 | $ 1,300,000 |
Term loans | Senior Credit Facilities | Federal Funds Effective Swap Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (as a percent) | 0.50% |  |  |  |
Term loans | Senior Credit Facilities | One-Month LIBOR |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (as a percent) | 1.00% |  |  |  |
Term loans | Senior Credit Facilities | London Interbank Offered Rate (LIBOR), Period One |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest period which may be elected, shortest | 1 month |  |  |  |
Term loans | Senior Credit Facilities | London Interbank Offered Rate (LIBOR), Period Two |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest period which may be elected, shortest | 2 months |  |  |  |
Term loans | Senior Credit Facilities | London Interbank Offered Rate (LIBOR), Period Three |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest period which may be elected, shortest | 3 months |  |  |  |
Term loans | Senior Credit Facilities | London Interbank Offered Rate (LIBOR), Period Four |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest period which may be elected, shortest | 6 months |  |  |  |
Term loans | Purchase Card Program |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount outstanding under purchase card programs |  | $ 2,500,000 | $ 2,800,000 |  |
Senior credit facility | Senior Credit Facilities |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Max cash and cash equivalents excluded from Consolidated Leverage Ratio | $ 150,000,000 |  |  |  |
Weighted-average interest rate of senior credit facilities (as a percent) |  | 4.30% |  |  |
Maximum period within which net proceeds should be reinvested | 360 days |  |  |  |
Period after end of 360 day period if committed to be reinvested | 180 days |  |  |  |
Percentage of capital stock | 100.00% |  |  |  |
Percentage of capital stock of material first tier foreign subsidiaries | 65.00% |  |  |  |
Consolidated interest coverage ratio | 3.50 |  |  |  |
Consolidated leverage ratio | 3.50 |  |  |  |
Consolidated leverage ratio after certain permitted acquisitions | 4.00 |  |  |  |
Consolidated leverage ratio to repurchase capital stock and pay cash dividends | 2.75 |  |  |  |
Aggregate amount of repurchases and dividend declarations | $ 50,000,000.0 |  |  |  |
Additional amount for all such repurchases and dividend declarations after effective date | $ 100,000,000 |  |  |  |
Percentage of cumulative consolidated net income | 50.00% |  |  |  |
Percentage of cumulative consolidated net deficit | 100.00% |  |  |  |
Senior credit facility | Revolving loans | Senior Credit Facilities |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity under financing arrangement | $ 900,000,000.0 |  |  |  | $ 850,000,000.0
Letters of credit and guarantees | Senior Credit Facilities |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Fronting fees percentage | 0.125% |  |  |  |
Foreign credit instrument facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount of available borrowing capacity |  | $ 30,100,000 |  |  |
Foreign line of credit |  | 119,900,000 |  |  |
Foreign credit instrument facility | Senior Credit Facilities |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Fronting fees percentage | 0.25% |  |  |  |
Foreign credit instrument facility | Revolving loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity under financing arrangement | $ 150,000,000.0 |  |  |  |
Domestic revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount of available borrowing capacity |  | 311,600,000 |  |  |
Letters of credit issued, amount outstanding |  | 32,000,000 |  |  |
Foreign line of credit |  | 6,400,000 |  |  |
Domestic revolving credit facility | Revolving loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity under financing arrangement | $ 200,000,000.0 |  |  |  |
Trade receivables financing arrangement | Revolving loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity under financing arrangement |  | 50,000,000.0 |  |  |
China, India, and South Africa | Foreign credit instrument facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Foreign line of credit |  | 0 |  |  |
China, India, and South Africa | Foreign credit instrument facility | Revolving loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Maximum borrowing capacity under financing arrangement |  | $ 20,000,000.0 |  |  |

X
- Definition Debt Instrument, Additional Period to Reinvest Proceeds if Committed to be Reinvested + References No definition available. + Details
Name: | spxc_DebtInstrumentAdditionalPeriodtoReinvestProceedsifCommittedtobeReinvested
Namespace Prefix: | spxc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Basis Spread on Variable Rate, Duration of Interest Period + References No definition available. + Details
Name: | spxc_DebtInstrumentBasisSpreadonVariableRateDurationofInterestPeriod
Namespace Prefix: | spxc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Collateral, Percentage of Capital Stock of Domestic Subsidiaries + References No definition available. + Details
Name: | spxc_DebtInstrumentCollateralPercentageofCapitalStockofDomesticSubsidiaries
Namespace Prefix: | spxc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Collateral, Percentage of Capital Stock of Material First Tier Foreign Subsidiaries + References No definition available. + Details
Name: | spxc_DebtInstrumentCollateralPercentageofCapitalStockofMaterialFirstTierForeignSubsidiaries
Namespace Prefix: | spxc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Covenant Terms, Additional Amount of Capital Stock Repurchases and Dividend Declarations + References No definition available. + Details
Name: | spxc_DebtInstrumentCovenantTermsAdditionalAmountofCapitalStockRepurchasesandDividendDeclarations
Namespace Prefix: | spxc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Debt Instrument, Covenant Terms, Aggregate Amount of Capital Stock Repurchases and Dividend Declarations + References No definition available. + Details
Name: | spxc_DebtInstrumentCovenantTermsAggregateAmountofCapitalStockRepurchasesandDividendDeclarations
Namespace Prefix: | spxc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Debt Instrument, Covenant Terms, Maximum Consolidated Leverage Ratio + References No definition available. + Details
Name: | spxc_DebtInstrumentCovenantTermsMaximumConsolidatedLeverageRatio
Namespace Prefix: | spxc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Covenant Terms, Maximum Consolidated Leverage Ratio after Permitted Acquisitions + References No definition available. + Details
Name: | spxc_DebtInstrumentCovenantTermsMaximumConsolidatedLeverageRatioafterPermittedAcquisitions
Namespace Prefix: | spxc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Covenant Terms, Maximum Consolidated Leverage Ratio to Repurchase Capital Stock and Pay Dividends + References No definition available. + Details
Name: | spxc_DebtInstrumentCovenantTermsMaximumConsolidatedLeverageRatiotoRepurchaseCapitalStockandPayDividends
Namespace Prefix: | spxc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the maximum period within which the net proceeds should be reinvested in permitted acquisitions, permitted investments or assets to be used in the entity's business. + References No definition available. + Details
Name: | spxc_DebtInstrumentCovenantTermsMaximumPeriodtoReinvestProceeds
Namespace Prefix: | spxc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Covenant Terms, Minimum Amount of Cash and Cash Equivalents + References No definition available. + Details
Name: | spxc_DebtInstrumentCovenantTermsMinimumAmountofCashandCashEquivalents
Namespace Prefix: | spxc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Instrument, Covenant Terms, Minimum Consolidated Interest Coverage Ratio + References No definition available. + Details
Name: | spxc_DebtInstrumentCovenantTermsMinimumConsolidatedInterestCoverageRatio
Namespace Prefix: | spxc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Covenant Terms, Percentage of Consolidated Net Deficit + References No definition available. + Details
Name: | spxc_DebtInstrumentCovenantTermsPercentageofConsolidatedNetDeficit
Namespace Prefix: | spxc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Covenant Terms, Percentage of Cumulative Consolidated Net Income + References No definition available. + Details
Name: | spxc_DebtInstrumentCovenantTermsPercentageofCumulativeConsolidatedNetIncome
Namespace Prefix: | spxc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Fronting Fee + References No definition available. + Details
Name: | spxc_DebtInstrumentFrontingFee
Namespace Prefix: | spxc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)(a)(2)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_LoansPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
Name: | us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=spxc_SeniorCreditFacilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=spxc_LondonInterbankOfferedRateLIBORPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=spxc_LondonInterbankOfferedRateLIBORPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=spxc_LondonInterbankOfferedRateLIBORPeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=spxc_LondonInterbankOfferedRateLIBORPeriodFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=spxc_PurchaseCardProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_ForeignLineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_DomesticLineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=spxc_ChinaIndiaandSouthAfricaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |